Land Pride BH3512 manual Choose the Appropriate Hosing, Table of Contents

Land Pride Table of Contents

Section 1: Assembly and Set-Up

Refer to Figure 1-1:

1.Adjust the Valve Bypass for Closed Center Conversion only.

a.Remove the cover nut (#3) from the valve bypass. This exposes a socket head screw.

b.Loosen locknut and turn socket head screw in approximately four complete turns, then tighten locknut.

c.Replace cover nut. Be sure to replace the washer with the cover nut as it acts as a gasket.

2.Installing the Closed Center Sleeve.

a.Return hose must be connected to the return section of the valve at point “A” and with the other end to the tractor.

b.Remove elbow at point “B” and install the closed center sleeve (#1). Use the plug (#2) that was removed from port “A” to plug the sleeve.

c.With the removal of the O-Ring plug from the front of outlet section of the valve Point “A” and replace with a 839-768C O-Ring adapter. Connect return line to the adapter and return to oil sump of the tractor.

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B

A

Closed Center Hydraulic Systems

Figure 1-1

This procedure converts the valve to a closed center operation. If the valve is set for closed center operation, it may be converted back to open center by reversing the above procedure.

Power Beyond Hydraulic System

If you wish to run both a loader and a backhoe from the same hydraulic system, make your connection as illustrated in Figure 1-2. Since there are so many variations for this type of setup, we are showing only a generalized hosing scheme. If you have any questions concerning the specifics for your situation, please contact your dealer before attempting operation.

Power Beyond Closed Center Kit Part No. 340-084A

For power beyond applications, a Power Beyond and Closed Center Kit (Part # 340-084A) must be purchased from your Land Pride Dealer, then perform the following steps:

3.Remove return hose and elbow, only if it was installed at point “B”.

4.Remove plug (#4) from port “A” and install Power beyond sleeve (#1) in port “B” as shown in Figure 1- 2.

5.Install a #8 O-Ring ell (Part # 839-882C) (#2) into closed center sleeve (#1) opening. This converts it to a power beyond sleeve.

6.Install a high pressure hose going to the inlet of another valve (front loader valve). This hose is not furnished.

7.If the return hose was installed at Point “B” it must be relocated and installed at point “A” of the outlet section. Remove the O’Ring plug and install one

839-768C adapter. Connect the return hose to the elbow and the other end to the oil sump of the tractor.

B

A

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Power Beyond Hydraulic Systems

Figure 1-2

Choose the Appropriate Hosing.

Independent P.T.O.

Hydraulic Pump System

Install the independent hydraulic system onto the backhoe according to the following procedures. Refer to Figure 1-3 and Figure 1-4 for the identification of the parts. During the assembly, use pipe compound on all pipe fittings. None is required on the O-Ring fittings.

a.Insert the filter into the SUCTION PORT of the reservoir. This is the port that is located on the left side of the reservoir.

7/14/08 BH3512 Backhoes 340-131M 9